Advanced Noise Reduction: Equipped with a professional voice recorder noise reduction chip with five levels of noise reduction for clear, noise-free audio Versatile recording options: Supports one-touch recording, line-in, and external microphone recording in MP3 and WAV formats. Includes voice control, timing, and segmented recording functions Extensive file support: Compatible with a variety of audio formats, including WAV, APE, FLAC, MP3, WMA, etc. Provides folder classification storage for easy file organization User-friendly features: Equipped with built-in high-fidelity speakers, variable speed playback, loop function, and A-B segment . Has a password start function to data security Long battery life: Powered by a 900mAh rechargeable lithium battery, it provides up to 135 hours of recording time Product type: voice recorder Display: 1.44 inches Input interface: USB2.0 Recording format: MP3/WAV Signal-to-noise ratio: 80DB Music format: MP3/WAV/WMA/FLAC/APE Battery specification: 900mAh Recording time: 128H Memory capacity:16GB Colour:Black Material:ABS Package Contents: 1 x Voice Recorder 1 x Type-C data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.